Growli

Plant care

Gmelin's Sea Lavender (Siberian statice) care

Limonium gmelinii

Also called Gmelin's sea lavender, Siberian statice.

RHS H7USDA 4-9Pet-safeIndoor 40–60 cm tall and 40–50 cm wide in flower.

Watering rhythm

2-3weeks

Every 2–3 weeks when established

Light

Direct sun (at least 4-6 hours)

Soil

Sandy, well-drained, slightly alkaline tolerated

Humidity

Low to moderate (30–60%)

Temp

-30°C to 35°C

Pet safety

Pet-safe

Mature size

40–60 cm tall and 40–50 cm wide in flower.

Care at a glance

Light

Gmelin's Sea Lavender needs sun on the leaves, not just bright ambient room light. Full sun is preferred for the strongest growth and most prolific flowering; will tolerate very light partial shade but at the cost of fewer flowers. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water gmelin's sea lavender every 2–3 weeks when established. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Highly drought-tolerant once settled; water infrequently and allow the soil to dry between waterings. Like all Limonium, it is intolerant of waterlogged or heavy wet soils.

Soil and pot

Gmelin's Sea Lavender grows best in sandy, well-drained, slightly alkaline tolerated. Does best in sandy or stony, well-drained soil; naturally found in saline conditions so tolerates high-pH or slightly salty soils. Improve clay soils with generous amounts of grit. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Gmelin's Sea Lavender sits happiest at around Low to moderate (30–60%) humidity and -30°C to 35°C (-22°F to 95°F). Adapted to continental climates with low to moderate humidity; good air movement reduces risk of fungal disease. Will tolerate coastal salt winds. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed gmelin's sea lavender sparingly. A single light application of balanced granular fertiliser in spring is sufficient; this slow-growing steppe plant does not require regular supplementary feeding. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on gmelin's sea lavender in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Winter wet / crown rotDespite being extremely cold-hardy, Gmelin's sea lavender is poorly adapted to wet, heavy soils in winter; waterlogging kills roots rapidly. Always ensure free drainage, especially on clay-based garden soils.
  • Difficult division / taproot damageThe plant has a deep, fleshy taproot that is easily damaged when dividing or transplanting; damaged roots rot readily. Propagate from seed or root cuttings rather than attempting repeated division.

Propagation

Most reliably from seed sown in early spring at 15–18°C. Root cuttings in late winter are also effective. Division in spring is possible but difficult due to the deep taproot. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Gmelin's Sea Lavender is pet-safe. Limonium (Limonium sp.) is listed as non-toxic to cats and dogs by the ASPCA. Consuming large amounts may cause mild, transient gastrointestinal upset. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Gmelin's Sea Lavender care — frequently asked questions

What is the common name for Limonium gmelinii?

Limonium gmelinii is most commonly called Gmelin's Sea Lavender, but it is also known as Gmelin's sea lavender, Siberian statice. The names refer to the same species, so care instructions for Gmelin's Sea Lavender apply identically to anything sold as Siberian statice.

How much light does gmelin's sea lavender need?

Gmelin's Sea Lavender grows best in direct sun (at least 4-6 hours). Full sun is preferred for the strongest growth and most prolific flowering; will tolerate very light partial shade but at the cost of fewer flowers.

How often should I water gmelin's sea lavender?

Water gmelin's sea lavender every 2–3 weeks when established. Highly drought-tolerant once settled; water infrequently and allow the soil to dry between waterings. Like all Limonium, it is intolerant of waterlogged or heavy wet soils. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is gmelin's sea lavender toxic to cats and dogs?

Gmelin's Sea Lavender is pet-safe. Limonium (Limonium sp.) is listed as non-toxic to cats and dogs by the ASPCA. Consuming large amounts may cause mild, transient gastrointestinal upset.

What USDA hardiness zone does gmelin's sea lavender grow in?

Gmelin's Sea Lavender is rated for USDA zone 4-9 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Gmelin's Sea Lavender deep-dive guides

Every aspect of gmelin's sea lavender care, each with its own calibrated guide:

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Gmelin's Sea Lavender qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Gmelin's Sea Lavender is also commonly called Gmelin's sea lavender or Siberian statice.